Combined dental lip and tongue retractor



FIG. 1 is a perspective view of a combined dental lip and tongue retractor, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevation view thereof, from another angle; and,

FIG. 6 is a side elevation view thereof; from another angle. 

The ornamental design for a combined dental lip and tongue retractor, as shown and described. 